Observations of the planet Eros, 1900-1901 : for determination of the solar parallax, from photographs taken and measured at the Royal Observatory, Greenwich /
Royal Observatory, Greenwich.
Christie, William Henry Mahoney,1845-1922.
Edinburgh : Printed for H.M.S.O. by Neill & Co.,
1908.
"Forming an appendix to the volume of Greenwich observations for the year 1905." - t.p.
Also available as an electronic resource via the Internet.